Home / 68,131.22-102,217.64-34,874.85

Finding the Fourth Proportional to 68,131.22, 102,217.64 and 34,874.85

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Solution

The fourth proportional to 68,131.22, 102,217.64 and 34,874.85 is: 52,322.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,131.22 : 102,217.64 = 34,874.85 : x
  2. Step 2: Convert to fraction form
    68,131.22/102,217.64 = 34,874.85/x
  3. Step 3: Cross multiply
    68,131.22x = 102,217.64 × 34,874.85
  4. Step 4: Simplify right side
    68,131.22x = 3,564,824,687.98
  5. Step 5: Solve for x
    x = 3,564,824,687.98/68,131.22
  6. Step 6: Final answer
    x = 52,322.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.